# Unistellar vs EXPLORE scientific

The clearest difference is review sentiment: Unistellar at 45% against EXPLORE scientific's 0%. Unistellar also leads on rating (3.8 vs 1.0) and ratings volume (100 vs 1). EXPLORE scientific's advantage is update cadence (every 9 days vs every 6 weeks) and iOS requirement (13.0 vs 18.0). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Unistellar holds the better App Store score, 3.8 against 1.0. That said, the two scores are not equally well evidenced: Unistellar has 100 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 45% of Unistellar's written reviews are positive against 0% of EXPLORE scientific's.

Unistellar ships an update every 6 weeks, EXPLORE scientific every 9 days. The most recent releases landed on August 14, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | Unistellar | EXPLORE scientific |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.8 (100 ratings)](https://appshunter.io/ios/app/unistellar/id1435141427/reviews)** | [1.0 (1 ratings)](https://appshunter.io/ios/app/explore-scientific/id6742817626/reviews) |
| Number of ratings | **100** | 1 |
| Positive reviews | **44.8% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 9 days** |
| Monetization | Free | Free |
| Size | 584 MB | 222 MB |
| Requires iOS | 18.0 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Unistellar](https://appshunter.io/developer/1384354590) | [JOC](https://appshunter.io/developer/1037742081) |

## What reviewers say

### Unistellar

[App page](https://appshunter.io/ios/app/unistellar/id1435141427)

Control your smart telescope, explore thousands of celestial objects, and observe them live. Save and share your discoveries, or contribute to real scientific research with citizen science missions.

**Highlights:** Telescope control, Explore 5000+ celestial objects, Live astronomical observation, Instant image sharing, RAW image download, Citizen science missions

**In-app purchases:** none


### EXPLORE scientific

[App page](https://appshunter.io/ios/app/explore-scientific/id6742817626)

This application provides professional scientific instruments and resources to inspire exploration and broaden understanding of scientific wonders. It aims to make scientific discoveries accessible to everyone, encouraging a deeper engagement with the world around us.

**Highlights:** Professional scientific instruments, Educational resources, Inspires spirit of exploration, Experience scientific miracles, Broaden cognitive boundaries

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Unistellar free?

Unistellar is free to download, with no in-app purchases.

### Is EXPLORE scientific free?

EXPLORE scientific is free to download, with no in-app purchases.

### Which has better reviews, Unistellar or EXPLORE scientific?

Unistellar is rated higher. Unistellar averages 3.8 out of 5 from 100 ratings, while EXPLORE scientific averages 1.0 from 1 ratings.

### Do Unistellar or EXPLORE scientific have ads?

Neither Unistellar nor EXPLORE scientific shows ads.

### Which is updated more often, Unistellar or EXPLORE scientific?

Unistellar ships an update every 6 weeks, and EXPLORE scientific every 9 days. Most recently, Unistellar was updated on August 14, 2026 and EXPLORE scientific on September 23, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*